Press Release

PEMBROKE, Bermuda - July 23, 2013 - Endurance Specialty Holdings Ltd. (NYSE:ENH), a Bermuda-based specialty provider of property and casualty insurance and reinsurance, today announced that Catherine A. Kalaydjian will assume the role of Chief Operations Officer. In this role, she will have management oversight of Information Technology, Insurance and Reinsurance Underwriting Operations, Procurement and Program Management in addition to oversight of her former activities. Ms. Kalaydjian is based in Endurance's Bermuda office reporting to Chairman and Chief Executive Officer, John Charman. Her appointment is subject to approval by the Bermuda Department of Immigration.

Mr. Charman commented, "Endurance is committed to quickly and significantly expanding our global footprint and product capabilities in our insurance and reinsurance specialty businesses. Endurance will truly differentiate itself over the next five years by achieving one of the lowest operating expense ratios in our industry. Cathy will be instrumental in helping us realize that goal."

Ms. Kalaydjian served as the Chief Claims Officer since March 2007 and was promoted to Chief Administrative Officer in December 2012, retaining her Claims role. She joined Endurance in 2003 as Senior Vice President, Head of Claims for the U.S. reinsurance operations. Prior to that, she was Senior Vice President, Head of Claims for QBE North America. Ms. Kalaydjian is an active leader in industry organizations, having served on several not-for-profit boards and as President of the International Association of Claim Professionals as well as the Association of Professional Insurance Women. Ms. Kalaydjian holds a BA cum laude in Marketing Management from Siena College, Loudonville, NY.

Endurance Specialty Holdings Ltd. is a global specialty provider of property and casualty insurance and reinsurance. Through its operating subsidiaries, Endurance writes property, agriculture, professional lines, and casualty and other specialty lines of insurance and property, catastrophe, casualty, and other specialty lines of reinsurance. We maintain excellent financial strength as evidenced by the ratings of A (Excellent) from A.M. Best (XV size category) and A (Strong) from Standard and Poor's on our principal operating subsidiaries. Endurance's headquarters are located at Wellesley House, 90 Pitts Bay Road, Pembroke HM 08, Bermuda and its mailing address is Endurance Specialty Holdings Ltd., Suite No. 784, No. 48 Par-la-Ville Road, Hamilton HM 11, Bermuda. For more information about Endurance, please visit www.endurance.bm.